<template>
    <el-form
      ref="ruleFormRef"
      style="max-width: 600px"
      :model="ruleForm"
      status-icon
      :rules="rules"
      label-width="auto"
      class="demo-ruleForm"
    >
      <el-form-item label="手机号：" prop="pass">
        <el-input v-model="ruleForm.pass" type="password" autocomplete="off" />
      </el-form-item>
      <el-form-item label="密码：" prop="checkPass">
        <el-input
          v-model="ruleForm.checkPass"
          type="password"
          autocomplete="off"
        />
      </el-form-item>
      <el-form-item label="重复密码：" prop="age">
        <el-input v-model.number="ruleForm.age" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm(ruleFormRef)">
          Submit
        </el-button>
        <el-button @click="resetForm(ruleFormRef)">Reset</el-button>
      </el-form-item>
    </el-form>
  </template>
  
  <script lang="ts" setup>
  import { reactive, ref } from 'vue'
  import type { FormInstance, FormRules } from 'element-plus'
  
  const ruleFormRef = ref<FormInstance>()
  
  const checkAge = (rule: any, value: any, callback: any) => {
    if (!value) {
      return callback(new Error('Please input the age'))
    }
    setTimeout(() => {
      if (!Number.isInteger(value)) {
        callback(new Error('Please input digits'))
      } else {
        if (value < 18) {
          callback(new Error('Age must be greater than 18'))
        } else {
          callback()
        }
      }
    }, 1000)
  }
  
  const validatePass = (rule: any, value: any, callback: any) => {
    if (value === '') {
      callback(new Error('Please input the password'))
    } else {
      if (ruleForm.checkPass !== '') {
        if (!ruleFormRef.value) return
        ruleFormRef.value.validateField('checkPass')
      }
      callback()
    }
  }
  const validatePass2 = (rule: any, value: any, callback: any) => {
    if (value === '') {
      callback(new Error('Please input the password again'))
    } else if (value !== ruleForm.pass) {
      callback(new Error("Two inputs don't match!"))
    } else {
      callback()
    }
  }
  
  const ruleForm = reactive({
    pass: '',
    checkPass: '',
    age: '',
  })
  
  const rules = reactive<FormRules<typeof ruleForm>>({
    pass: [{ validator: validatePass, trigger: 'blur' }],
    checkPass: [{ validator: validatePass2, trigger: 'blur' }],
    age: [{ validator: checkAge, trigger: 'blur' }],
  })
  
  const submitForm = (formEl: FormInstance | undefined) => {
    if (!formEl) return
    formEl.validate((valid) => {
      if (valid) {
        console.log('submit!')
      } else {
        console.log('error submit!')
      }
    })
  }
  
  const resetForm = (formEl: FormInstance | undefined) => {
    if (!formEl) return
    formEl.resetFields()
  }
  </script>
  